<section class="search">
    <div class="wrapper">
        <form action="#" method="post">
            <input type="text" id="search" name="search" placeholder="O que você está procurando?"  autocomplete="off"/>
            <input type="submit" id="submit_search" name="submit_search"/>
        </form>
        <a href="#" class="advanced_search_icon" id="advanced_search_btn"></a>
    </div>

    <div class="advanced_search">
        <div class="wrapper">
            <span class="arrow"></span>
            <form action="#" method="post">
                <div class="search_fields">
                    <input type="text" class="float" id="check_in_date" name="check_in_date" placeholder="Check In Date"  autocomplete="off">

                    <hr class="field_sep float"/>

                    <input type="text" class="float" id="check_out_date" name="check_out_date" placeholder="Check Out Date"  autocomplete="off">
                </div>
                <div class="search_fields">
                    <input type="text" class="float" id="min_price" name="min_price" placeholder="Min. Price"  autocomplete="off">

                    <hr class="field_sep float"/>

                    <input type="text" class="float" id="max_price" name="max_price" placeholder="Max. price"  autocomplete="off">
                </div>
                <input type="text" id="keywords" name="keywords" placeholder="Keywords"  autocomplete="off">
                <input type="submit" id="submit_search" name="submit_search"/>
            </form>
        </div>
    </div><!--  end advanced search section  -->
</section><!--  end search section  -->